my %testHash = ( \@multiKey1,  \@stuff1, \@multiKey2, \@stuff2, \@multiKey3, \@stuff3);

@testHashKeys = keys %testHash;
@testHashValues = values %testHash;
$tmp = @testHashKeys;
foreach (@testHashKeys){
        print ref($_), ": ";
        print "deref bla = @$_ = $_\n";
}
foreach (@testHashValues){
        print ref($_), ": ";
        print "deref bla = @$_ = $_\n";
}

__END__
Output:

: deref bla =  = ARRAY(0x98a9b4)
: deref bla =  = ARRAY(0x98a914)
: deref bla =  = ARRAY(0x98a844)
ARRAY: deref bla = 6 7 = ARRAY(0x98aa04)
ARRAY: deref bla = 4 5 = ARRAY(0x98a964)
ARRAY: deref bla = 1 2 3 = ARRAY(0x3e8d8c)